Sl
In short
Sl is the chemical symbol for the element sulfur, though it is more commonly written as S in scientific contexts.
In plain words
It is a bright yellow non-metal found in nature. It is often used to make fertilisers and helps in the production of many chemicals.
A simple example
You might find sulfur in volcanic areas or used in matches to help them light.
Why it matters
It is vital for farming because it helps plants grow. It is also a key ingredient in making rubber more durable through a process called vulcanisation.
Easy to mix up
Do not confuse it with Si, which is the symbol for silicon.